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Azarian MH, Nijpanich S, Chanlek N, Sutapun W. Probing capping mechanisms and polymer matrix loading of biogenic vaterite CaCO 3-Ag hybrid through X-ray photoelectron spectroscopy (XPS). RSC Adv 2024; 14:14624-14639. [PMID: 38708108 PMCID: PMC11066738 DOI: 10.1039/d4ra01710b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 04/23/2024] [Indexed: 05/07/2024] Open
Abstract
Despite extensive research in the literature, the synthesis of silver nanoparticles (AgNPs) via capping mechanisms remains incompletely understood. This study employs a mechanistic approach to unravel the underlying molecular interactions driving the capping process of biogenic vaterite CaCO3-Ag and explores their interactions with different polymer matrices. X-ray photoelectron spectroscopy (XPS) was used to reveal the capping mechanisms, surface composition alterations, and vaterite polymorph transitions. The oxidation states of AgNPs exhibited distinct changes under different capping agents. The Ag3d spin-orbit splitting profiles revealed the coexistence of Ag+ and Ag0 within CaCO3-Ag, with a significant presence of Ag0 when poly(sodium 4-styrene sulfonate) was employed as the capping agent. Conversely, the use of carboxy methyl cellulose as the capping agent resulted in Ag+ dominance. XPS analysis illuminated the transformation of CaCO3 polymorphs from calcite to vaterite structure, which remained stable following embedding within polymer matrices. Integrating CaCO3-Ag microspheres into polymer matrices and investigating their surface characteristics represents a strategic step toward tailoring material properties for potential applications in active packaging and biomedicine.
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Affiliation(s)
- Mohammad Hossein Azarian
- Research Centre for Biocomposite Materials for Medical, Agricultural and Food Industry, Suranaree University of Technology Nakhon Ratchasima 30000 Thailand
| | - Supinya Nijpanich
- Synchrotron Light Research Institute (Public Organization) 111 University Avenue, Muang District Nakhon Ratchasima 30000 Thailand
| | - Narong Chanlek
- Synchrotron Light Research Institute (Public Organization) 111 University Avenue, Muang District Nakhon Ratchasima 30000 Thailand
| | - Wimonlak Sutapun
- Research Centre for Biocomposite Materials for Medical, Agricultural and Food Industry, Suranaree University of Technology Nakhon Ratchasima 30000 Thailand
- School of Polymer Engineering, Suranaree University of Technology Nakhon Ratchasima 30000 Thailand
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Tran HN, Park CB, Lee JH, Seo JH, Kim JY, Oh SH, Cho S. γ-Ray Irradiation Enables Annealing- and Light-Soaking-Free Solution Processable SnO 2 Electron Transport Layer for Inverted Organic Solar Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307441. [PMID: 38054784 DOI: 10.1002/smll.202307441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 11/13/2023] [Indexed: 12/07/2023]
Abstract
The electrode buffer layer is crucial for high-performance and stable OSCs, optimizing charge transport and energy level alignment at the interface between the polymer active layer and electrode. Recently, SnO2 has emerged as a promising material for the cathode buffer layer due to its desirable properties, such as high electron mobility, transparency, and stability. Typically, SnO2 nanoparticle layers require a postannealing treatment above 150°C in an air environment to remove the surfactant ligands and obtain high-quality thin films. However, this poses challenges for flexible electronics as flexible substrates can't tolerate temperatures exceeding 100°C. This study presents solution-processable and annealing-free SnO2 nanoparticles by employing y-ray irradiation to disrupt the bonding between surfactant ligands and SnO2 nanoparticles. The SnO2 layer treated with y-ray irradiation is used as an electron transport layer in OSCs based on PTB7-Th:IEICO-4F. Compared to the conventional SnO2 nanoparticles that required high-temperature annealing, the y-SnO2 nanoparticle-based devices exhibit an 11% comparable efficiency without postannealing at a high temperature. Additionally, y-ray treatment has been observed to eliminate the light-soaking effect of SnO2. By eliminating the high-temperature postannealing and light-soaking effect, y-SnO2 nanoparticles offer a promising, cost-effective solution for future flexible solar cells fabricated using roll-to-roll mass processing.
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Affiliation(s)
- Hong Nhan Tran
- Department of Physics and Energy Harvest-Storage Research Center (EHSRC), University of Ulsan, Ulsan, 44610, Republic of Korea
| | - Chan Beom Park
- Department of Energy Engineering and School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Jin Hee Lee
- Department of Physics, University of Seoul, Seoul, 02504, Republic of Korea
| | - Jung Hwa Seo
- Department of Physics, University of Seoul, Seoul, 02504, Republic of Korea
| | - Jin Young Kim
- Department of Energy Engineering and School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Seung-Hwan Oh
- Radiation Research Division for Industry and Environment, Korea Atomic Energy Research Institute (KAERI), Jeollabuk-do, 56212, Republic of Korea
| | - Shinuk Cho
- Department of Physics and Energy Harvest-Storage Research Center (EHSRC), University of Ulsan, Ulsan, 44610, Republic of Korea
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Mallick S, Pradhan N. Bio-fabrication of silver nanoparticles using Commelina erecta, L.: a mechanistic approach on synthesis, optimization, antibacterial, and antioxidant potential. Bioprocess Biosyst Eng 2024; 47:495-507. [PMID: 38467928 DOI: 10.1007/s00449-024-02980-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 01/25/2024] [Indexed: 03/13/2024]
Abstract
The ongoing exploration of economical, sustainable, and environment-friendly methods for synthesizing monodisperse colloidal metal nanoparticles is growing day by day due to their potential application in various fields. The use of plant derivatives in nanoparticle synthesis and their suitability as sustainable catalysts have emerged as significant areas of research. In this study, silver nanoparticles were synthesized using an aqueous extract obtained from the commonly found weed Commelina erecta, L. Extensive study is conducted to optimize various synthesis parameters such as pH, reducing agent concentration, silver nitrate concentration, and temperature. The plant extract utilized in the synthesis process contained variety of antioxidants, including malic acid, phenol, benzoic acid, and catechol, which played a crucial role in both reduction and capping during the synthesis process, thereby making them suitable for biomedical applications. The optimized synthesis process yielded silver nanoparticles with a particle size of 16.2 ± 3.1 nm. These nanoparticles exhibited excellent stability and demonstrated remarkable antibacterial activity compared to the standard antibacterial agent, streptomycin. In addition, the silver nanoparticles displayed promising antioxidant activity attributed to the presence of antioxidant functional groups on their surface. This study reports, for the first time, the synthesis of silver nanoparticles using antioxidant compounds present in C. erecta, L. plant extract. The antioxidant compounds identified through GC-MS belong to phenols, phenolic acids, and carboxylic acid groups. Furthermore, the exceptional antimicrobial and antioxidant properties exhibited by the synthesized silver nanoparticles offer new possibilities for their potential applications.
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Affiliation(s)
- Swastika Mallick
- CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, 751013, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Nilotpala Pradhan
- CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, 751013, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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4
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Deeleepojananan C, Zhou J, Grassian VH. Heterogeneous interactions and transformations of dibasic esters with indoor relevant surfaces. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2024; 26:582-594. [PMID: 38305769 DOI: 10.1039/d3em00542a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Dibasic esters (DBEs) have recently become emerging indoor air pollutants due to their usage as a solvent for mixtures of paints and coatings. In this study, we explored the adsorption/desorption kinetics, heterogeneous interactions, and chemical transformations of dimethyl succinate (DMS, C6H10O4), a component of commercial dibasic ester solvent mixtures, on indoor relevant surfaces using transmission Fourier-transform infrared (FTIR) spectroscopy and high-resolution mass spectrometry (HRMS). Silica (SiO2) and rutile (TiO2) were used as proxies for window glass, and an active component in paint and self-cleaning surfaces, respectively. FTIR spectroscopy of these surfaces shows that DMS can interact with SiO2 and TiO2 through hydrogen bonding between the carbonyl oxygen and surface hydroxyl groups. The kinetics show fast adsorption of DMS onto these surfaces followed by slow desorption. Furthermore, new products formed observed on TiO2 surfaces in addition to molecularly adsorbed DMS. In particular, succinate (C5H7O) was observed binding to the surface in a bidentate chelating coordination mode as indicated by the appearance of νas(COO-) and νs(COO-) bands in the FTIR spectra. These absorption bands grow in intensity over time and the resulting product remains strongly adsorbed on the surface. The formation of adsorbed succinate is a result of a reaction with DMS on Lewis acid sites of the TiO2 surface. Overall, the slow desorption of these adsorbed species indicates that indoor surfaces can become long term reservoirs for dibasic esters and their surface products. Moreover, in the presence of ∼50% relative humidity, water displaces outer layers of adsorbed DMS on SiO2 and TiO2, while having no impact on the more strongly bound surface species.
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Affiliation(s)
- Cholaphan Deeleepojananan
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, California 92093, USA.
| | - Jinxu Zhou
- Department of Nanoengineering and Materials Science and Engineering Program, University of California San Diego, La Jolla, California 92093, USA
| | - Vicki H Grassian
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, California 92093, USA.
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Liu WC, Prentice JCA, Patrick CE, Watt AAR. Enhancing Conductivity of Silver Nanowire Networks through Surface Engineering Using Bidentate Rigid Ligands. ACS APPLIED MATERIALS & INTERFACES 2024; 16:4150-4159. [PMID: 38197866 PMCID: PMC10811619 DOI: 10.1021/acsami.3c15207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 12/17/2023] [Accepted: 12/18/2023] [Indexed: 01/11/2024]
Abstract
Solution processable metallic nanomaterials present a convenient way to fabricate conductive structures, which are necessary in all electronic devices. However, they tend to require post-treatments to remove the bulky ligands around them to achieve high conductivity. In this work, we present a method to formulate a post-treatment free conductive silver nanowire ink by controlling the type of ligands around the silver nanowires. We found that bidentate ligands with a rigid molecular structure were effective in improving the conductivity of the silver nanowire networks as they could maximize the number of linkages between neighboring nanowires. In addition, DFT calculations also revealed that ligands with good LUMO to silver energy alignment were more effective. Because of these reasons, fumaric acid was found to be the most effective ligand and achieved a large reduction in sheet resistance of 70% or higher depending on the nanowire network density. The concepts elucidated from this study would also be applicable to other solution processable nanomaterials systems such as quantum dots for photovoltaics or LEDs which also require good charge transport being neighboring nanoparticles.
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Affiliation(s)
- Wing Chung Liu
- Department of Materials, University of Oxford, 16 Parks Road, Oxford OX1 3PH, United
Kingdom
| | - Joseph C. A. Prentice
- Department of Materials, University of Oxford, 16 Parks Road, Oxford OX1 3PH, United
Kingdom
| | - Christopher E. Patrick
- Department of Materials, University of Oxford, 16 Parks Road, Oxford OX1 3PH, United
Kingdom
| | - Andrew A. R. Watt
- Department of Materials, University of Oxford, 16 Parks Road, Oxford OX1 3PH, United
Kingdom
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6
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Azarian M, Junyusen T, Sutapun W. Biogenic Vaterite Calcium Carbonate-Silver/Poly(Vinyl Alcohol) Film for Wound Dressing. ACS OMEGA 2024; 9:955-969. [PMID: 38222591 PMCID: PMC10785620 DOI: 10.1021/acsomega.3c07135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/27/2023] [Accepted: 11/22/2023] [Indexed: 01/16/2024]
Abstract
Vaterite, a spherical polymorph of CaCO3, shows potential as a carrier for the stable and controlled release of silver nanoparticles (AgNPs), preventing their aggregation or loss of efficacy during application. Furthermore, the embedding of CaCO3-Ag in a poly(vinyl alcohol) (PVA) matrix helps effectively encapsulate and protect the CaCO3-Ag microspheres and provides mechanical stability for better contact with the wound surface. This article focuses on the fabrication of an antimicrobial and biocompatible absorbent film embedded with precipitated biogenic vaterite CaCO3-Ag microspheres. The impact of vaterite CaCO3-Ag on the physical, chemical, nanomechanical, biocompatibility, and antimicrobial properties of the PVA films was investigated. The morphology study revealed a bilayer film structure with an inactive and active surface containing homogeneously distributed vaterite CaCO3-Ag. The X-ray photoelectron spectroscopy (XPS) analysis of the spin-orbit splitting in the Ag 3d5/2 and Ag 3d3/2 peaks indicated the presence of both metallic and ionic states of silver in vaterite CaCO3-Ag prior to its incorporation into the PVA polymer matrix. However, upon embedding in the PVA matrix, a subsequent transformation to solely ionic states was observed. The nanomechanical properties of PVA improved, and the reduced modulus and hardness increased to 14.62 ± 5.23 and 0.64 ± 0.29 GPa, respectively. The films demonstrate a significant activity toward Gram-negative Escherichia coli bacteria. The release of AgNPs was studied in both open and closed systems at pH 6, mimicking the pH environment of the wound, and it demonstrated a dependency on the type of capping agent used for synthesis and loading of AgNPs. The results further revealed the biocompatibility of the prepared films with human dermal fibroblast cells at a concentration of ≤5 mg/mL, making them applicable and functional for wound dressing applications.
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Affiliation(s)
- Mohammad
Hossein Azarian
- Research
Center for Biocomposite Materials for Medical, Agricultural and Food
Industry, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Tiraporn Junyusen
- School
of Agricultural Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Wimonlak Sutapun
- Research
Center for Biocomposite Materials for Medical, Agricultural and Food
Industry, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
- School
of Polymer Engineering, Suranaree University
of Technology, Nakhon Ratchasima 30000, Thailand
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7
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Alharbi NS, Khaled JM, Alanazi K, Kadaikunnan S, Alobaidi AS. Biosynthesis of silver nanoparticles (Ag-NPs) using Senna alexandrina grown in Saudi Arabia and their bioactivity against multidrug-resistant pathogens and cancer cells. Saudi Pharm J 2023; 31:911-920. [PMID: 37234348 PMCID: PMC10205756 DOI: 10.1016/j.jsps.2023.04.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 04/14/2023] [Indexed: 05/27/2023] Open
Abstract
There is no doubt that the risk of drug-resistant pathogens and cancer diseases is on the rise. So, the goal of this study was to find out how effective silver nanoparticles (Ag-NPs) made by Senna alexandrina are at fighting these threats. In this work, S. alexandrina collected from Medina, Saudi Arabia was used and the biosynthesis method was applied to produce the Ag-NPs. The characterization of Ag-NPs was done using different analytical techniques, including UV spectroscopy, FT-IR, TEM, and XRD analysis. The MIC, MBC, and MTT protocols were applied to confirm the bioactivity of the Ag-NPs as antibacterial and anticancer bioagents. The findings reported indicating that the aqueous extract of S. alexandrina leaves, grown naturally in Saudi Arabia, is ideal for the production of bioactive Ag-NPs. The hydroxyl, aliphatic, alkene, N-H bend of primary amines, C-H bonds, and C-O bonds of alcohol were detected in this product. The small, sphere-shaped particles (4-7 nm) were the most prevalent among the bioactive Ag-NPs produced in this work. These nanoparticles inhibited some important multidrug-resistant pathogens (MDRPs) (Escherichia coli, Acinetobacter baumanii/haemolyticus, Staphylococcus epidermidis, and Methicillin-resistant Staphylococcus aureus (MRSA)), as well as their ability to inhibit breast cancer cells (MCF-7 cells). The MIC of Ag-NPs ranged from 0.03 to 0.6 mg/mL, while their MBC ranged from 0.06 to 2.5 mg/mL. Anticancer activity test showed that IC50 of the Ag-NPs against tested breast cancer cells was 61.9 ± 3.8 µg/mL. According to the current results, biosynthesis using S. alexandrina leaves grown naturally in Saudi Arabia was an ideal technique for producing bioactive Ag-NPs that could be used to combat a variety of MDRPs and cancer diseases.
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8
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Brucks MD, Arslanova A, Smith CB, Richards JJ. Electroless Deposition of Silver onto Silica Nanoparticles to Produce Lipophilic Core-Shell Nanoparticles. J Colloid Interface Sci 2023; 646:663-670. [PMID: 37224680 DOI: 10.1016/j.jcis.2023.05.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 04/19/2023] [Accepted: 05/09/2023] [Indexed: 05/26/2023]
Abstract
HYPOTHESIS The colloidal stability of noble metal nanoparticles can be tuned for solvents of varying hydrophobicity by modifying the surface chemistry of the particles with different capping agent architectures. Challenges arise when attempting to separately control multiple nanoparticle properties due to the interdependence of this adsorption process on the surface chemistry and metal architecture. A surfactant-mediated, templated synthesis strategy should decouple control over size and stability to produce lipophilic nanoparticles from aqueous reagents. EXPERIMENTS A modified electroless plating process that produces oil-dispersible core-shell silver-silica nanoparticles is presented. Amine-terminated alkanes are utilized as the capping agents to generate lipophilic surface coatings and the particles are temporarily stabilized during the synthesis by adding a Pluronic surfactant that enhances dispersibility in the aqueous reaction medium. The evolution of shell morphology, composition, and colloidal stability was analyzed against capping agent architecture and concentration. The role of particle shape was also tested by interchanging the template geometry. FINDINGS The capping agents installed on the silver shell surface displayed both colloidal stability enhancements and a minimum effective capping concentration that is a function of molecular weight without influencing the shell composition. Particle geometry can be controlled by interchanging the silica template size and shape.
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Affiliation(s)
- Matthew David Brucks
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL 60208, USA.
| | - Alina Arslanova
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL 60208, USA.
| | - Caroline Bridget Smith
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL 60208, USA.
| | - Jeffrey John Richards
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL 60208, USA.
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Rosińska K, Bartniak M, Wierzbicka A, Sobczyk-Guzenda A, Bociaga D. Solvent types used for the preparation of hydrogels determine their mechanical properties and influence cell viability through gelatine and calcium ions release. J Biomed Mater Res B Appl Biomater 2023; 111:314-330. [PMID: 36056675 DOI: 10.1002/jbm.b.35152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 07/06/2022] [Accepted: 08/17/2022] [Indexed: 12/15/2022]
Abstract
Alginate-gelatin hydrogels are the most commonly used materials for 3D bioprinting. Their printability depends on their properties, and these derive from the way they are prepared and their very composition. Therefore, the aim of the study was to investigate the type of solvent (deionized water, phosphate buffer, and culture medium) and contents of gelatin in the composition of hydrogel (2% wt/vol alginate, 6% and 9% wt/vol of gelatin) on their biological, physicochemical, and mechanical properties, as well as printability and the ability of cells to proliferate in the printed structures. The results obtained revealed that all the manufactured hydrogel materials are biocompatible. The use of deionized water as a solvent results in the highest degree of cross-linking of hydrogels, thus obtaining a polymer with the highest rigidity. Moreover, an increase in gelatin content leads to an increase in the Young's modulus value, irrespectively of the solvent in which the hydrogels were prepared. Based on the chemical structure, it is more reasonable to use a culture medium for bioink preparation due to free NH and NH2 groups being present, which are ligands for cell attachment and their proliferation. For the selected material (2A9GM), the printability and high viability of the cells after printing were confirmed. In this case, the concentration of the cross-linking agent influences gelatin amount release and calcium ions release, and these two processes determine the change in the viability of the cells encapsulated in the bioink.
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Affiliation(s)
- Karolina Rosińska
- Institute of Materials Science and Engineering, Lodz University of Technology, Lodz, Poland
| | - Mateusz Bartniak
- Institute of Materials Science and Engineering, Lodz University of Technology, Lodz, Poland
| | - Adrianna Wierzbicka
- Institute of Materials Science and Engineering, Lodz University of Technology, Lodz, Poland
| | - Anna Sobczyk-Guzenda
- Institute of Materials Science and Engineering, Lodz University of Technology, Lodz, Poland
| | - Dorota Bociaga
- Institute of Materials Science and Engineering, Lodz University of Technology, Lodz, Poland
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10
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Madajska K, Dobrzańska L, Muzioł T, Szymańska IB. Silver ionic compounds as a source of metal carriers in the gas phase. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.116149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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11
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Prusty S, Pradhan S, Mishra S. Amine/Carboxylic Acid Based Bifunctional Ionic Liquids as Extractants for Nd(III), Sm(III) and Eu(III) from Aqueous Solution Containing EDTA. ChemistrySelect 2022. [DOI: 10.1002/slct.202202334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Susmita Prusty
- Department of Chemistry Institute of Technical Education and Research (FET) Siksha ‘O' Anusandhan Deemed to be University Khandagiri square Bhubaneswar 751030 Odisha India
| | - Sanghamitra Pradhan
- Department of Chemistry Institute of Technical Education and Research (FET) Siksha ‘O' Anusandhan Deemed to be University Khandagiri square Bhubaneswar 751030 Odisha India
| | - Sujata Mishra
- Department of Chemistry Institute of Technical Education and Research (FET) Siksha ‘O' Anusandhan Deemed to be University Khandagiri square Bhubaneswar 751030 Odisha India
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12
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Chen X, Zhou R, Zhou H, Yan T, Ding L, Zhang H, Wang R. One-Pot Synthesis and Characterization of Three Chromotropic Supramolecular Isomeric Cu(II) Coordination Polymers as 1-D Zigzag or Helical Chains with Homochiral or Heterochiral Cu(II) Coordination Centres. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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13
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Morais M, Machado V, Dias F, Figueiredo P, Palmeira C, Martins G, Fernandes R, Malheiro AR, Mikkonen KS, Teixeira AL, Medeiros R. Glucose-Functionalized Silver Nanoparticles as a Potential New Therapy Agent Targeting Hormone-Resistant Prostate Cancer cells. Int J Nanomedicine 2022; 17:4321-4337. [PMID: 36147546 PMCID: PMC9489222 DOI: 10.2147/ijn.s364862] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 05/17/2022] [Indexed: 11/24/2022] Open
Abstract
Purpose Silver nanoparticles (AgNPs) have shown great potential as anticancer agents, namely in therapies’ resistant forms of cancer. The progression of prostate cancer (PCa) to resistant forms of the disease (castration-resistant PCa, CRPC) is associated with poor prognosis and life quality, with current limited therapeutic options. CRPC is characterized by a high glucose consumption, which poses as an opportunity to direct AgNPs to these cancer cells. Thus, this study explores the effect of glucose functionalization of AgNPs in PCa and CRPC cell lines (LNCaP, Du-145 and PC-3). Methods AgNPs were synthesized, further functionalized, and their physical and chemical composition was characterized both in water and in culture medium, through UV-visible spectrum, dynamic light scattering (DLS), transmission electron microscopy (TEM) and Fourier-transform infrared spectroscopy (FTIR). Their effect was assessed in the cell lines regarding AgNPs’ entering pathway, cellular proliferation capacity, ROS production, mitochondrial membrane depolarization, cell cycle analysis and apoptosis evaluation. Results AgNPs displayed an average size of 61nm and moderate monodispersity with a slight increase after functionalization, and a round shape. These characteristics remained stable when redispersed in culture medium. Both AgNPs and G-AgNPs were cytotoxic only to CRPC cells and not to hormone-sensitive ones and their effect was higher after functionalization showing the potential of glucose to favor AgNPs’ uptake by cancer cells. Entering through endocytosis and being encapsulated in lysosomes, the NPs increased the ROS, inducing mitochondrial damage, and arresting cell cycle in S Phase, therefore blocking proliferation, and inducing apoptosis. Conclusion The nanoparticles synthesized in the present study revealed good characteristics and stability for administration to cancer cells. Their uptake through endocytosis leads to promising cytotoxic effects towards CRPC cells, revealing the potential of G-AgNPs as a future therapeutic approach to improve the management of patients with PCa resistant to hormone therapy or metastatic disease.
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Affiliation(s)
- Mariana Morais
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Center (Porto.CCC), Research Center-LAB2, Porto, 4200-072, Portugal.,ICBAS, Abel Salazar Institute for the Biomedical Sciences, University of Porto, Porto, 4050-513, Portugal
| | - Vera Machado
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Center (Porto.CCC), Research Center-LAB2, Porto, 4200-072, Portugal
| | - Francisca Dias
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Center (Porto.CCC), Research Center-LAB2, Porto, 4200-072, Portugal
| | - Patrícia Figueiredo
- Department of Food and Nutrition, Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, FI-00014, Finland
| | - Carlos Palmeira
- Department of Immunology, Portuguese Oncology Institute of Porto (IPO-Porto), Porto, 4200-072, Portugal.,Experimental Pathology and Therapeutics Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Center (Porto.CCC), Research Center-LAB2, Porto, 4200-072, Portugal.,Biomedical Research Center (CEBIMED, Faculty of Health Sciences, Fernando Pessoa University (UFP), Porto, 4249-004, Portugal
| | - Gabriela Martins
- Department of Immunology, Portuguese Oncology Institute of Porto (IPO-Porto), Porto, 4200-072, Portugal.,Experimental Pathology and Therapeutics Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Center (Porto.CCC), Research Center-LAB2, Porto, 4200-072, Portugal
| | - Rui Fernandes
- HEMS-Histology and Electron Microscopy, i3S-Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, 4200-135, Portugal.,IBMC, Instituto de Biologia Molecular e Celular da Universidade do Porto, Porto, Portugal
| | - Ana Rita Malheiro
- HEMS-Histology and Electron Microscopy, i3S-Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, 4200-135, Portugal.,IBMC, Instituto de Biologia Molecular e Celular da Universidade do Porto, Porto, Portugal
| | - Kirsi S Mikkonen
- Department of Food and Nutrition, Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, FI-00014, Finland.,Helsinki Institute of Sustainability Science (HELSUS), University of Helsinki, Helsinki, FI-00014, Finland
| | - Ana Luísa Teixeira
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Center (Porto.CCC), Research Center-LAB2, Porto, 4200-072, Portugal.,ICBAS, Abel Salazar Institute for the Biomedical Sciences, University of Porto, Porto, 4050-513, Portugal
| | - Rui Medeiros
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Center (Porto.CCC), Research Center-LAB2, Porto, 4200-072, Portugal.,ICBAS, Abel Salazar Institute for the Biomedical Sciences, University of Porto, Porto, 4050-513, Portugal.,Biomedical Research Center (CEBIMED, Faculty of Health Sciences, Fernando Pessoa University (UFP), Porto, 4249-004, Portugal.,Research Department, LPCC- Portuguese League Against Cancer (NRNorte), Porto, Portugal.,Faculty of Medicine, University of Porto (FMUP), Alameda Prof. Hernâni Monteiro, University of Porto, Porto, 4200-319, Portugal
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14
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Landeros-Páramo L, Saavedra-Molina A, Gómez-Hurtado MA, Rosas G. The effect of AgNPS bio-functionalization on the cytotoxicity of the yeast Saccharomyces cerevisiae. 3 Biotech 2022; 12:196. [PMID: 35928500 PMCID: PMC9343563 DOI: 10.1007/s13205-022-03276-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 07/21/2022] [Indexed: 11/29/2022] Open
Abstract
This work used Sedum praealtum leaf extract to synthesize silver nanoparticles (AgNPs) in a single step. The cytotoxicity of AgNPs was studied with the yeast Saccharomyces cerevisiae W303-1. In addition, the antioxidant activity of the DPPH radical was studied both in the extract of S. praealtum and in the AgNPs. UV-Vis spectroscopy determined the presence of AgNPs by the location of the surface plasmon resonance (SPR) band at 434 nm. TEM and XRD analyzes show AgNPs with fcc structure and hemispherical morphology. Also, AgNPs range in size from 5 to 25 nm and have an average size of 14 nm. 1H NMR, FTIR, and UV-Vis spectroscopy techniques agreed that glycosidic compounds were the main phytochemical components responsible for the reduction and stabilization of AgNPs. In addition, AgNPs presented a maximum of 12% toxicity in yeast attributed to the generation of ROS. Consequently, there was low bioactivity because glycoside compounds cover the biosynthesized AgNPs from S. praealtum. These findings allow applications of AgNPs involving contact with mammals and higher organisms.
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Affiliation(s)
- L. Landeros-Páramo
- Instituto de Investigación en Metalurgia y Materiales, UMSNH, Edificio U., Ciudad Universitaria, C.P. 58030 Morelia, Michoacán México
| | - A. Saavedra-Molina
- Instituto de Investigaciones Químico Biológicas, UMSNH, edificio B-3., Ciudad Universitaria, C.P. 58030 Morelia, Michoacán México
| | - Mario A. Gómez-Hurtado
- Instituto de Investigaciones Químico Biológicas, UMSNH, edificio B-3., Ciudad Universitaria, C.P. 58030 Morelia, Michoacán México
| | - G. Rosas
- Instituto de Investigación en Metalurgia y Materiales, UMSNH, Edificio U., Ciudad Universitaria, C.P. 58030 Morelia, Michoacán México
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15
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Kuhn L, Vil' VA, Barsegyan YA, Terent'ev AO, Alabugin IV. Carboxylate as a Non-innocent L-Ligand: Computational and Experimental Search for Metal-Bound Carboxylate Radicals. Org Lett 2022; 24:3817-3822. [PMID: 35609004 DOI: 10.1021/acs.orglett.2c01356] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
We show that the carboxylate radical acts as an L-ligand with certain high-spin transition metal centers. Such coordination preserves the O-radical character needed for C-H activation via hydrogen atom transfer. Capture of the new C-radical by the metal and subsequent reductive elimination leads to formal C-H acyloxylation. Decarboxylation of the RCO2 radical is minimized through hybridization effects introduced by spiro-cyclopropyl moiety.
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Affiliation(s)
- Leah Kuhn
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Vera A Vil'
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prospect, Moscow, 119991, Russian Federation
| | - Yana A Barsegyan
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prospect, Moscow, 119991, Russian Federation
| | - Alexander O Terent'ev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prospect, Moscow, 119991, Russian Federation
| | - Igor V Alabugin
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
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16
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Abadia AV, Herbert KM, White TJ, Schwartz DK, Kaar JL. Biocatalytic 3D Actuation in Liquid Crystal Elastomers via Enzyme Patterning. ACS APPLIED MATERIALS & INTERFACES 2022; 14:26480-26488. [PMID: 35652291 DOI: 10.1021/acsami.2c05802] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Liquid crystal elastomers (LCEs) are stimuli-responsive materials that undergo large shape transformations after undergoing an order-disorder transition. While shape reconfigurations in LCEs are predominantly triggered by heat, there is a considerable interest in developing highly specific triggers that work at room temperature. Herein, we report the fabrication of biocatalytic LCEs that respond to the presence of urea by covalently immobilizing urease within chemically responsive LCE networks. The hydrogen-bonded LCEs developed in this work exhibited contractile strains of up to 36% upon exposure to a base. Notably, the generation of ammonia by immobilized urease triggered a disruption in the supramolecular network and a large reduction of liquid crystalline order in the films when the LCEs were exposed to urea. This reduction in order was macroscopically translated into a strain response that could be modulated by changing the concentration of urea or exposure time to the substrate. Local control of the mechanical response of the LCE was realized by spatially patterning the enzyme on the surface of the films. Subsequent exposure of enzymatically patterned LCE to urea-triggered 3D shape transformations into a curl, arch, or accordion-like structure, depending on the motif patterned on the film surface. Furthermore, we showed that the presence of salt was critical to prevent bridging of the network by the presence of ammonium ions, thereby enabling such macroscopic 3D shape changes. The large actuation potential of LCEs and the ability to translate the biocatalytic activity of enzymes to macroscopic 3D shape transformations could enable use in applications ranging from cell culture, medicine, or antifouling.
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Affiliation(s)
- Albert Velasco Abadia
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80309, United States
| | - Katie M Herbert
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80309, United States
| | - Timothy J White
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80309, United States
- Material Science and Engineering, University of Colorado, Boulder, Colorado 80309, United States
| | - Daniel K Schwartz
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80309, United States
| | - Joel L Kaar
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80309, United States
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17
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Nicolae-Maranciuc A, Chicea D, Chicea LM. Ag Nanoparticles for Biomedical Applications-Synthesis and Characterization-A Review. Int J Mol Sci 2022; 23:ijms23105778. [PMID: 35628585 PMCID: PMC9146088 DOI: 10.3390/ijms23105778] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/09/2022] [Accepted: 05/17/2022] [Indexed: 12/18/2022] Open
Abstract
Silver nanoparticles have been intensively studied over a long period of time because they exhibit antibacterial properties in infection treatments, wound healing, or drug delivery systems. The advantages that silver nanoparticles offer regarding the functionalization confer prolonged stability and make them suitable for biomedical applications. Apart from functionalization, silver nanoparticles exhibit various shapes and sizes depending on the conditions used through their fabrications and depending on their final purpose. This paper presents a review of silver nanoparticles with respect to synthesis procedures, including the polluting green synthesis. Currently, the most commonly used characterization techniques required for nanoparticles investigation in antibacterial treatments are described briefly, since silver nanoparticles possess differences in their structure or morphology.
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Affiliation(s)
- Alexandra Nicolae-Maranciuc
- Research Center for Complex Physical Systems, Faculty of Sciences, Lucian Blaga University of Sibiu, Dr. Ion Raţiu Street 5−7, 550012 Sibiu, Romania;
| | - Dan Chicea
- Research Center for Complex Physical Systems, Faculty of Sciences, Lucian Blaga University of Sibiu, Dr. Ion Raţiu Street 5−7, 550012 Sibiu, Romania;
- Correspondence:
| | - Liana Maria Chicea
- Faculty of Medicine, Lucian Blaga University of Sibiu, 550169 Sibiu, Romania;
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18
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Guan Y, Liu Y, Yi J, Zhang J. Zeolitic imidazolate framework-derived composites with SnO 2 and ZnO phase components for electrocatalytic carbon dioxide reduction. Dalton Trans 2022; 51:7274-7283. [PMID: 35481494 DOI: 10.1039/d2dt00906d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Zeolitic imidazolate framework (ZIF) and its derivatives have attracted a great deal of attention in the field of electrocatalysis. In this paper, a series of tin (Sn)-modified ZIF-based composites (ZSO-X/Y) are synthesized and used as catalysts for the electrochemical reduction of CO2 to produce low-carbon fuels. Among the catalysts obtained, ZSO-2/8 shows the best formate (HCOO-) selectivity compared with others. A faradaic efficiency of 76.70% and a catalytic current density of -9.81 mA cm-2 can be respectively achieved at a potential of -1.16 V vs. reversible hydrogen electrode (VRHE). The high catalytic performance can be attributed to the stable coexistence of two-phase components of SnO2/ZnO inside the catalyst. This work provides an insight into the development of high performance ZIF-based catalysts for the electrochemical reduction of CO2.
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Affiliation(s)
- Yayu Guan
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, China.
| | - Yuyu Liu
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, China.
| | - Jin Yi
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, China.
| | - Jiujun Zhang
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, China.
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19
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Wu KH, Huang WC, Chang SC, Shyu RH. Colloidal silver-based lateral flow immunoassay for detection of profenofos pesticide residue in vegetables. RSC Adv 2022; 12:13035-13044. [PMID: 35497005 PMCID: PMC9052933 DOI: 10.1039/d2ra01654k] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 04/18/2022] [Indexed: 12/14/2022] Open
Abstract
A colloidal silver nanoparticle (AgNP)-based lateral flow immunoassay (LFIA) was evaluated in terms of the rapid detection of profenofos (PEO) pesticide residue in vegetables. Colloidal AgNPs, of a diameter of approximately 20 nm, were surface-modified with trisodium citrate dehydrate (TSC) in order to improve their stability and dispersion. An anti-profenofos polyclonal antibody (pAb) was successfully immobilized on the surface of the AgNPs by ionic interaction and characterized using UV-vis, SEM, TEM, FTIR and XPS analyses. Surface modification of Ag-pAb conjugates of varying pH, pAb content and cross-reactivity was employed to design and prepare labels for use in an LFIA to examine whether these factors affect the performance of the assay. The visible detection limit and optical detection limit of the PEO test strip were 0.20 and 0.01 ppm, respectively, in PEO standard solution. This assay showed no cross-reaction with omethoate, methamidophos or pyraclofos. Finally, the PEO test strip was effectively applied for the detection of PEO in liquid vegetables A and B, with optical detection limits of 0.09 and 0.075 ppm, respectively.
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Affiliation(s)
- Kuo-Hui Wu
- Department of Chemical and Materials Engineering, Chung Cheng Institute of Technology, National Defense University Taoyuan 33551 Taiwan
| | - Wen-Chien Huang
- Department of Chemical and Materials Engineering, Chung Cheng Institute of Technology, National Defense University Taoyuan 33551 Taiwan
| | - Shu-Chen Chang
- Applied Zoology Division, Taiwan Agricultural Research Institute Taichung 41362 Taiwan
| | - Rong-Hwa Shyu
- Institute of Preventive Medicine, National Defense Medical Center 90048 Taipei Taiwan
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20
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Zubets U, Zhao B, Park H, Halik M. A universal concept for area‐selective assembly of metal oxide core‐shell nanoparticles, nanorods, and organic molecules via amide coupling reactions. NANO SELECT 2022. [DOI: 10.1002/nano.202100284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Affiliation(s)
- Uladzislau Zubets
- Organic Materials and Devices, Department of Materials Science Friedrich‐Alexander‐Universität Erlangen‐Nürnberg Erlangen Germany
| | - Baolin Zhao
- Organic Materials and Devices, Department of Materials Science Friedrich‐Alexander‐Universität Erlangen‐Nürnberg Erlangen Germany
| | - Hyoungwon Park
- Organic Materials and Devices, Department of Materials Science Friedrich‐Alexander‐Universität Erlangen‐Nürnberg Erlangen Germany
| | - Marcus Halik
- Organic Materials and Devices, Department of Materials Science Friedrich‐Alexander‐Universität Erlangen‐Nürnberg Erlangen Germany
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21
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Donadei V, Koivuluoto H, Sarlin E, Vuoristo P. Durability of Lubricated Icephobic Coatings under Various Environmental Stresses. Polymers (Basel) 2022; 14:303. [PMID: 35054709 PMCID: PMC8779144 DOI: 10.3390/polym14020303] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/05/2022] [Accepted: 01/06/2022] [Indexed: 11/17/2022] Open
Abstract
Icephobic coatings interest various industries facing icing problems. However, their durability represents a current limitation in real applications. Therefore, understanding the degradation of coatings under various environmental stresses is necessary for further coating development. Here, lubricated icephobic coatings were fabricated using a flame spray method with hybrid feedstock injection. Low-density polyethylene represented the main coating component. Two additives, namely fully hydrogenated cottonseed oil and paraffinic wax, were added to the coating structure to enhance coating icephobicity. Coating properties were characterised, including topography, surface roughness, thermal properties, wettability, and icephobicity. Moreover, their performance was investigated under various environmental stresses, such as repeated icing/deicing cycles, immersion in corrosive media, and exposure to ultraviolet (UV) irradiation. According to the results, all coatings exhibited medium-low ice adhesion, with slightly more stable icephobic behaviour for cottonseed oil-based coatings over the icing/deicing cycles. Surface roughness slightly increased, and wetting performances decreased after the cyclic tests, but chemical changes were not revealed. Moreover, coatings demonstrated good chemical resistance in selected corrosive media, with better performance for paraffin-based coatings. However, a slight decrease in hydrophobicity was detected due to surface structural changes. Finally, paraffin-based coatings showed better resistance under UV irradiation based on carbonyl index and colour change measurements.
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Affiliation(s)
- Valentina Donadei
- Materials Science and Environmental Engineering, Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 589, FI-33014 Tampere, Finland; (H.K.); (E.S.); (P.V.)
| | - Heli Koivuluoto
- Materials Science and Environmental Engineering, Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 589, FI-33014 Tampere, Finland; (H.K.); (E.S.); (P.V.)
- Tampere Institute for Advanced Study, Tampere University, P.O. Box 1001, FI-33014 Tampere, Finland
| | - Essi Sarlin
- Materials Science and Environmental Engineering, Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 589, FI-33014 Tampere, Finland; (H.K.); (E.S.); (P.V.)
| | - Petri Vuoristo
- Materials Science and Environmental Engineering, Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 589, FI-33014 Tampere, Finland; (H.K.); (E.S.); (P.V.)
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22
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Szymańska IB, Madajska K, Butrymowicz A, Barwiołek M. Copper(II) Perfluorinated Carboxylate Complexes with Small Aliphatic Amines as Universal Precursors for Nanomaterial Fabrication. MATERIALS (BASEL, SWITZERLAND) 2021; 14:7451. [PMID: 34885612 PMCID: PMC8659220 DOI: 10.3390/ma14237451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 11/25/2021] [Accepted: 11/30/2021] [Indexed: 11/16/2022]
Abstract
Copper(II) carboxylate compounds with ethylamine and isopropylamine of the general formula [Cu2(RNH2)2(µ-O2CRf)4], where R = Et, iPr, and Rf = CnF2n+1, n = 1-6, were characterised in the condensed and gas phases by electron impact mass spectrometry (EI MS), IR spectroscopy, and thermal analysis. A mass spectra analysis confirmed the presence of metallated species in the gas phase. Among the observed fragments, the pseudomolecular ions [Cu2(RNH2)2(µ-O2CRf)3]+ were found, which suggests the dimeric structure of the studied complexes with axially N-coordinated ethyl- or isopropylamine molecules and bridging perfluorinated carboxylates. TGA studies demonstrated that copper transfer to the gas phase occurs even under atmospheric pressure. The temperature range of the [Cu2(RNH2)2(µ-O2CRf)4] and other copper carriers detection, observed in variable temperature infrared spectra, depends on the type of amine. The possible mechanisms of the decomposition of the tested compounds are proposed. The copper films were produced without additional reducing agents despite using Cu(II) CVD precursors in the chemical vapor deposition experiments. The layers of the gel-like complexes were fabricated in both spin- and dip-coating experiments, resulting in copper or copper oxide materials when heated. Dinuclear copper(II) carboxylate complexes with ethyl- and isopropylamine [Cu2(RNH2)2(µ-O2CRf)4] can be applied for the formation of metal or metal oxide materials, also in the nanoscale, by vapour and 'wet' deposition methods.
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Affiliation(s)
- Iwona B. Szymańska
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland; (K.M.); (A.B.); (M.B.)
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23
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Wang X, Guo W, Zhang H, Peng P. Synthesis of Free-Standing Silver Foam via Oriented and Additive Nanojoining. ACS APPLIED MATERIALS & INTERFACES 2021; 13:38637-38646. [PMID: 34357764 DOI: 10.1021/acsami.1c12936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Silver foams with high porosity and electrical conductivity have many potential applications in energy storage, catalysis, and fuel cells. However, its application is largely hindered by the low efficiency of complicated synthesis processes. In this work, a facile and rapid bottom-up fabrication of silver foams in an aqueous solution allowing large-scale production through oriented and additive nanojoining of silver nanoplate building blocks is reported. Self-assembling of as-grown silver nanoplates facilitates the oriented nanoscale joining to align the atomic lattice, and the local additive of silver promotes diffusion and interconnection at room temperature to realize a rapid synthesis process. The freeze-dried silver foam exhibits a porosity of 95.45%, an ultralow density of 61 mg·cm-3, low thermal conductivity of 0.29 W·m-1·K-1, and high electrical conductivity of 8086 S·m-1. This oriented and locally additive nanojoining process presents a new strategy to fabricate silver foams that may also inspire the fabrications of other metal foams.
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Affiliation(s)
- Xinda Wang
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, P. R. China
| | - Wei Guo
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, P. R. China
| | - Hongqiang Zhang
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, P. R. China
| | - Peng Peng
- Department of Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
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24
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Cervantes‐Reyes A, Saxl T, Stein PM, Rudolph M, Rominger F, Asiri AM, Hashmi ASK. Expanded Ring NHC Silver Carboxylate Complexes as Efficient and Reusable Catalysts for the Carboxylative Cyclization of Unsubstituted Propargylic Derivatives. CHEMSUSCHEM 2021; 14:2367-2374. [PMID: 33687152 PMCID: PMC8252382 DOI: 10.1002/cssc.202002822] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 02/28/2021] [Indexed: 06/05/2023]
Abstract
Stabilized by a bulky N-heterocyclic carbene [BP DPr, 1,3-bis(2,6-diisopropylphenyl)-1,3-diazonine-2-ylidene] ligand, new silver carboxylate complexes of the form BP DPrAgO2 C-R (R=Me, Ph) have been synthesized and fully characterized in solution and in the solid state and implemented as sole catalysts (base-, additive-, and, in some cases, solvent-free) in the challenging fixation of carbon dioxide to unsubstituted propargylic derivatives for the synthesis of oxazolidinones and α-methylene cyclic carbonates. Derived from X-ray diffraction studies, the molecular geometry and the concept of buried volume were employed to describe the structural and steric features of these silver complexes. Their stability and efficiency as catalysts have been demonstrated by the synthesis of 29 carboxylation products (72-98 % yield) at low catalyst loadings (0.01-1.5 mol%). Characteristics are high turnover numbers (up to 9400), catalyst recyclability (up to 96 % yield after the 7th cycle with no decomposition of the silver complex), and the possibility to scale-up the reaction.
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Affiliation(s)
| | - Tobias Saxl
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Philipp M. Stein
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Matthias Rudolph
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Frank Rominger
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Abdullah M. Asiri
- Chemistry DepartmentFaculty of ScienceKing Abdulaziz UniversityJeddah21589Saudi Arabia
| | - A. Stephen K. Hashmi
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
- Chemistry DepartmentFaculty of ScienceKing Abdulaziz UniversityJeddah21589Saudi Arabia
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25
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Zakrzewska J, Uznanski P. Synthesis and characterization of bis(amine)palladium(II) carboxylate complexes as precursors of palladium nanoparticles. Dalton Trans 2021; 50:6933-6948. [PMID: 33928977 DOI: 10.1039/d1dt00638j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The synthesis and characterization of the adducts of n-alkyl amine and palladium n-alkyl carboxylate, [Pd(R2NH2)2(R1COO)2] (R1 = 1, 7, and 11; R2 = 8, 12, and 16), as precursors for the synthesis of palladium nanoparticles (PdNPs) was carried out via differential scanning calorimetry, FT-IR, Raman and UV-Vis spectroscopy, NMR spectroscopy (1H, 13C pulsed field gradient spin-echo (PGSE), and 13C CP-MAS), and powder X-ray diffraction. Pd n-alkyl carboxylates were obtained by a ligand exchange reaction from palladium acetate and the appropriate aliphatic carboxylic acid. It is proposed that carboxyl moieties in the presence of amine ligands are bound to palladium ions via monodentate bonding as opposed to bridging bidentate coordination of pure palladium carboxylate which exists in the form of polymer aggregates. All the studied palladium carboxylate/amine complexes form bilayer lamellar structures and exhibit first-order melting transitions. The evidence presented in this study shows that the phase behavior of bivalent metal carboxylates is mainly controlled by the type of coordination of carboxylate head groups. For n-alkyl carboxylates, linear chain type aggregates replace the trimeric units of Pd acetate. In solution, in the presence of amine, palladium salt aggregates disintegrate and the Pd complex is isolated and stabilized by amine molecules. Using bis(amine) palladium carboxylate adducts as precursors, palladium nanoparticles were fabricated. During high temperature thermolysis, the bis(amine) Pd carboxylate complex decomposes to form small sized Pd nanoparticles. Combining NMR techniques with FTIR spectroscopy, it was possible to follow an original stabilization mechanism. PdNPs are stabilized by weakly interacting long chain aliphatic amide and carboxylic acid derived from the palladium precursor.
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Affiliation(s)
- Joanna Zakrzewska
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lodz, Poland.
| | - Pawel Uznanski
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lodz, Poland.
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26
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Anticancer and Antimicrobial Activity Evaluation of Cowpea-Porous-Starch-Formulated Silver Nanoparticles. JOURNAL OF NANOTECHNOLOGY 2021. [DOI: 10.1155/2021/5525690] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Health issues involving inadequate treatment of diseases such as cancer and microbial infections continue to be the subject of much ongoing recent research. Biosynthesized silver nanoparticles (AgNPs) were characterized using Transmission Electron Microscopy (TEM), Zeta Sizer, Ultraviolet (UV), and Fourier Transform Infrared (FTIR) spectroscopy. Their antimicrobial activity was evaluated on selected Gram-positive and Gram-negative bacterial strains, using the disc diffusion and broth dilution assays. Cell viability profiles were evaluated using MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) and apoptosis studies on selected human noncancer and cancer cells. The biosynthesized AgNPs were evaluated to be spherical clusters, with sizes between 40 and 70 nm. The absorption peak at 423 nm and the presence of polyphenols confirmed the synthesis and stabilization of these tested AgNPs. The AgNPs showed a good stability of −23.9 ± 1.02 mV. Good antimicrobial activity (6.0–18.0 mm) was seen on all tested bacteria at a minimum inhibitory concentration (MIC) ranging from 5 to 16 μg/ml, with the highest activity seen against Gram-negative Escherichia coli (18 ± 0.5 mm), and the lowest activity was seen against Gram-positive Listeria monocytogenes (6.0 ± 0.4 mm) after treatment with the AgNPs. These NPs showed a concentration-dependent and cell-specific cytotoxicity with low IC50 values (41.7, 56.3, and 63.8 μg/ml). The NPs were well tolerated by tested cells as indicated by a more than 50% cell viability at the high dose tested and low apoptotic indices (<0.2). These findings indicated that these biosynthesized AgNPs showed great potential as effective antibacterial agents and anticancer drug delivery modalities.
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27
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Shin D, Kim HR, Hong BH. Gold nanoparticle-mediated non-covalent functionalization of graphene for field-effect transistors. NANOSCALE ADVANCES 2021; 3:1404-1412. [PMID: 36132857 PMCID: PMC9419278 DOI: 10.1039/d0na00603c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 01/08/2021] [Indexed: 06/13/2023]
Abstract
Since its discovery, graphene has attracted much attention due to its unique electrical transport properties that can be applied to high-performance field-effect transistors (FETs). However, mounting chemical functionalities onto graphene inevitably involves the breaking of sp2 bonds, resulting in the degradation of the mechanical and electrical properties compared to pristine graphene. Here, we report a new strategy to chemically functionalize graphene for use in FETs without affecting the electrical performance. The key idea is to control the Fermi level of the graphene using the consecutive treatment of gold nanoparticles (AuNPs) and thiol-SAM (self-assembled monolayer) molecules, inducing positive and negative doping effects, respectively, by flipping the electric dipoles between AuNPs and SAMs. Based on this method, we demonstrate a Dirac voltage switcher on a graphene FET using heavy metal ions on functionalized graphene, where the carboxyl functional groups of the mediating SAMs efficiently form complexes with the metal ions and, as a result, the Dirac voltage can be positively shifted by different charge doping on graphene. We believe that the nanoparticle-mediated SAM functionalization of graphene can pave the way to developing high-performance chemical, environmental, and biological sensors that fully utilize the pristine properties of graphene.
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Affiliation(s)
- Dongha Shin
- Division of Fine Chemistry and Engineering, Pai Chai University Daejeon 35345 Republic of Korea
| | - Hwa Rang Kim
- Department of Chemistry, Seoul National University Seoul 08826 Korea
- Graphene Research Center & Graphene Square Inc., Advanced Institute of Convergence Technology, Seoul National University Suwon 16229 Korea
| | - Byung Hee Hong
- Department of Chemistry, Seoul National University Seoul 08826 Korea
- Graphene Research Center & Graphene Square Inc., Advanced Institute of Convergence Technology, Seoul National University Suwon 16229 Korea
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Nguyen VH, Thi Vo TT, Huu Do H, Thuan Le V, Nguyen TD, Ky Vo T, Nguyen BS, Nguyen TT, Phung TK, Tran VA. Ag@ZnO porous nanoparticle wrapped by rGO for the effective CO2 electrochemical reduction. Chem Eng Sci 2021. [DOI: 10.1016/j.ces.2020.116381] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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29
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Guo B, Alivio TEG, Fleer NA, Feng M, Li Y, Banerjee S, Sharma VK. Elucidating the Role of Dissolved Organic Matter and Sunlight in Mediating the Formation of Ag-Au Bimetallic Alloy Nanoparticles in the Aquatic Environment. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:1710-1720. [PMID: 33426890 DOI: 10.1021/acs.est.0c06351] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Elucidating the interactions between metal ions and dissolved organic matter and deciphering mechanisms for their mineralization in the aquatic environment are central to understanding the speciation, transport, and toxicity of nanoparticles (NPs). Herein, we examine the interactions between Ag+ and Au3+ ions in mixed solutions (χAg = 0.2, 0.5, and 0.8) in the presence of humic acids (HAs) under simulated sunlight; these conditions result in the formation of bimetallic Ag-Au NPs. A key distinction is that the obtained alloy NPs are compositionally and morphologically rather different from NPs obtained from thermally activated dark processes. Photoillumination triggers a distinctive plasmon-mediated process for HA-assisted reductive mineralization of ions to bimetallic alloy NPs which is not observed in its dark thermal reduction counterpart. The initial nucleation of bimetallic NPs is dominated by differences in the cohesive energies of Ag and Au crystal lattices, whereas the growth mechanisms are governed by the strongly preferred incorporation of Ag ions, which stems from their greater photoreactivity. The bimetallic NPs crystallize in shapes governed by the countervailing influence of minimizing free energy through the adoption of Wulff constructions and the energetic penalties associated with twin faults. As such, assessments of the stability and the potential toxic effects of bimetallic NPs arising from their possible existence in aquatic environments will depend sensitively on the origins of their formation.
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Affiliation(s)
- Binglin Guo
- Department of Environmental and Occupational Health, School of Public Health, Texas A&M University, College Station, Texas 77843-8371, United States
| | - Theodore E G Alivio
- Department of Chemistry & Physical Sciences, Nicholls State University, Thibodaux, Louisiana 70301-6701, United States
- Department of Chemistry, Texas A&M University, College Station, Texas 77843-3012, United States
- Department of Materials Science and Engineering, Texas A&M University, College Station, Texas 77843-3003, United States
| | - Nathan A Fleer
- Department of Chemistry, Texas A&M University, College Station, Texas 77843-3012, United States
- Department of Materials Science and Engineering, Texas A&M University, College Station, Texas 77843-3003, United States
| | - Mingbao Feng
- Department of Environmental and Occupational Health, School of Public Health, Texas A&M University, College Station, Texas 77843-8371, United States
| | - Ying Li
- J. Mike Walker '66 Department of Mechanical Engineering, Texas A&M University, College Station, Texas 77843-3127, United States
| | - Sarbajit Banerjee
- Department of Chemistry, Texas A&M University, College Station, Texas 77843-3012, United States
- Department of Materials Science and Engineering, Texas A&M University, College Station, Texas 77843-3003, United States
| | - Virender K Sharma
- Department of Environmental and Occupational Health, School of Public Health, Texas A&M University, College Station, Texas 77843-8371, United States
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30
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Soltani S, Akhbari K, White J. Effect of structural features on the stability and bactericidal potential of two cadmium coordination polymers. CrystEngComm 2021. [DOI: 10.1039/d1ce00979f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Two mixed ligand Cd(ii) coordination polymers have been synthesized using three methods by in situ decarboxylation of phenylmalonic acid. CPs were screened for their antibacterial activities and the influence of structural properties was studied.
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Affiliation(s)
- Sajjad Soltani
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Kamran Akhbari
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Jonathan White
- School of Chemistry, Bio21 Institute, The University of Melbourne, VIC 3010, Australia
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31
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Hasan S, Rauf A. The development of a multifunctional 9,10-dibromooctadecanoic acid-encapsulated heterostructure (Ag@Ag 2O) as a nanocatalyst against water toxicity. NEW J CHEM 2021. [DOI: 10.1039/d1nj01013a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fatty acid derivatives capped Ag@Ag2O CSN have been easily synthesized. Comparative catalytic degradation studies against various water contaminants, MB, MO and Cr(vi) have been performed. The experimental results are in favor of CSN, compared to simple fatty acid-coated nanoparticles.
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Affiliation(s)
- Shazia Hasan
- Department of Chemistry
- Aligarh Muslim University
- Aligarh 202002
- India
| | - Abdul Rauf
- Department of Chemistry
- Aligarh Muslim University
- Aligarh 202002
- India
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32
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Investigation of the Physico-Chemical Properties of the Products Obtained after Mixed Organic-Inorganic Leaching of Spent Li-Ion Batteries. ENERGIES 2020. [DOI: 10.3390/en13246732] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Lithium-ion batteries are currently one of the most important mobile energy storage units for portable electronics such as laptops, tablets, smartphones, etc. Their widespread application leads to the generation of large amounts of waste, so their recycling plays an important role in environmental policy. In this work, the process of leaching with sulfuric acid for the recovery of metals from spent Li-ion batteries in the presence of glutaric acid and hydrogen peroxide as reducing agents is presented. Experimental results indicate that glutaric-acid application improves the leaching performance compared to the use of just hydrogen peroxide under the same conditions. Obtained samples of leaching residues after mixed inorganic-organic leaching were characterized with Scanning Electron Microscopy, Fourier Transform Infrared Spectroscopy, and X-ray diffraction.
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33
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Proniewicz E, Małuch I, Kudelski A, Prahl A. Adsorption of (Phe-h 5)/(Phe-d 5)-substituted peptides from neurotensin family on the nanostructured surfaces of Ag and Cu: SERS studies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 242:118748. [PMID: 32721658 DOI: 10.1016/j.saa.2020.118748] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 07/09/2020] [Accepted: 07/15/2020] [Indexed: 05/25/2023]
Abstract
This work describes an application of Raman (RS) and surface-enhanced Raman scattering (SERS) to characterize the selective adsorption of two peptides belonging to the neurotensin family peptides, such as kinetensin (KN) and xenopsin-related peptide 2 (XP-2) that are known to stimulate the growth of human tumors. To perform a reliable analysis of SERS spectra, the L-Phe residue (at position 8 or 1 in the amino acid sequence of these peptides) was replaced with L-Phe-d5 (five protons of L-phenylalanine ring substituted by deuterium). Native and (Phe-d5)-isotopically labeled peptides were deposited on electrochemically nanostructured surfaces of Ag (AgORC) and Cu (CuORC) from an aqueous solution (H2O). To determine the share of amide bonds in the interaction with the metallic substrate, SERS spectra of peptides adsorbed on AgORC from heavy water (D2O) were measured. Also, to determine the effect of the C-end on the SERS spectrum, measurements were made for the KN analog in which the C-terminal L-leucine was removed ([desLeu9]KN). Based on the analyses of the spectral profiles, in the spectral range of 600-1650 cm-1, specific conclusions have been drawn regarding specific aromatic ring···metal interactions and changes in the interaction during substrate change.
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Affiliation(s)
- E Proniewicz
- Faculty of Foundry Engineering, AGH University of Science and Technology, 30-059 Krakow, Poland.
| | - I Małuch
- Department of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland
| | - A Kudelski
- Faculty of Chemistry, University of Warsaw, ul. Pasteur 1, 02-093 Warsaw, Poland
| | - A Prahl
- Department of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland
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34
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Min Y, Leng F, Machado BF, Lecante P, Roblin P, Martinez H, Theussl T, Casu A, Falqui A, Barcenilla M, Coco S, Martínez BMI, Martin N, Axet MR, Serp P. 2D and 3D Ruthenium Nanoparticle Covalent Assemblies for Phenyl Acetylene Hydrogenation. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yuanyuan Min
- CNRS, LCC (Laboratoire de Chimie de Coordination) 31077 Toulouse Cedex 4 France
| | - Faqiang Leng
- CNRS, LCC (Laboratoire de Chimie de Coordination) 31077 Toulouse Cedex 4 France
| | - Bruno F. Machado
- LSRE‐LCM Chemical Engineering Department, Faculty of Engineering University of Porto, Rua Dr. Roberto Frias s/n 4200‐465 Porto Portugal
| | - Pierre Lecante
- Centre d'élaboration des matériaux et d'études structurales UPR CNRS 8011 29 Rue Jeanne‐Marvig, BP 4347 31055 Toulouse France
| | - Pierre Roblin
- Laboratoire de Génie Chimique and Fédération de Recherche FERMAT 31030 Toulouse France
| | - Hervé Martinez
- Université de Pau et des Pays de l'Adour 64053 Pau France
| | - Thomas Theussl
- Visualization Core Lab King Abdullah University of Science and Technology (KAUST) 23955‐6900 Thuwal Saudi Arabia
| | - Alberto Casu
- Biological and Environmental Sciences and Engineering (BESE) Division, NABLA Lab King Abdullah University of Science and Technology (KAUST) 23955‐6900 Thuwal Saudi Arabia
| | - Andrea Falqui
- Biological and Environmental Sciences and Engineering (BESE) Division, NABLA Lab King Abdullah University of Science and Technology (KAUST) 23955‐6900 Thuwal Saudi Arabia
| | - María Barcenilla
- IU CINQUIMA/Química Inorgánica Facultad de Ciencias Universidad de Valladolid 47071 Valladolid Spain
| | - Silverio Coco
- IU CINQUIMA/Química Inorgánica Facultad de Ciencias Universidad de Valladolid 47071 Valladolid Spain
| | - Beatriz María Illescas Martínez
- Departamento Química Orgánica Facultad C. C. Químicas Universidad Complutense de Madrid Av. Complutense s/n, 28040 Madrid Spain
- Ciudad Universitaria de Cantoblanco 28049 Madrid Spain
| | - Nazario Martin
- Departamento Química Orgánica Facultad C. C. Químicas Universidad Complutense de Madrid Av. Complutense s/n, 28040 Madrid Spain
- Ciudad Universitaria de Cantoblanco 28049 Madrid Spain
| | - M. Rosa Axet
- CNRS, LCC (Laboratoire de Chimie de Coordination) 31077 Toulouse Cedex 4 France
| | - Philippe Serp
- CNRS, LCC (Laboratoire de Chimie de Coordination) 31077 Toulouse Cedex 4 France
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35
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Soltani S, Akhbari K, White J. Sonochemical Synthesis, Crystal Structure and Antimicrobial Property of One‐dimensional Dinuclear Coordination Polymer. Z Anorg Allg Chem 2020. [DOI: 10.1002/zaac.202000268] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Sajjad Soltani
- School of Chemistry College of Science University of Tehran Tehran Iran
| | - Kamran Akhbari
- School of Chemistry College of Science University of Tehran Tehran Iran
| | - Jonathan White
- School of Chemistry and Bio21 Institute The University of Melbourne 3010 VIC Australia
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36
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Huang H, Shan K, Liu J, Tao X, Periyasamy S, Durairaj S, Jiang Z, Jacob JA. Synthesis, optimization and characterization of silver nanoparticles using the catkin extract of Piper longum for bactericidal effect against food-borne pathogens via conventional and mathematical approaches. Bioorg Chem 2020; 103:104230. [PMID: 32916540 PMCID: PMC7449118 DOI: 10.1016/j.bioorg.2020.104230] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 08/03/2020] [Accepted: 08/08/2020] [Indexed: 02/06/2023]
Abstract
Inspired with an increasing environmental awareness, we performed an eco-friendly amenable process for the synthesis of silver nanoparticles (AgNPs) using the catkins of Piper longum as an alternative approach with the existing methods of using plant extracts. The fabrication of nanoparticles occurred within 10 min. This was initially observed by colour change of the solution. UV-visible spectroscopic studies (UV-Vis) were performed for further confirmation. The analysis elucidated that the surface plasmon resonance (SPR) was specifically corresponding to AgNPs. Fourier transform infrared spectrophotometry (FTIR) studies indicated that polyphenols could possibly be the encapsulating agents. The size and shape of the nanoparticles was analysed using Transmission electron microscopy (TEM). The nanoparticles were predominant spheres ranging between 10 and 42 nm at two different scales. The formation of elemental silver was confirmed further by X-ray photoelectron spectroscopy (XPS) and X-ray powder diffraction (XRD). GC-MS analysis was used to identify the possible encapsulates on the nanoparticles. The antibacterial effect of the biosynthesized AgNPs was tested against two gram-positive (Bacillus cereus and Staphylococcus aureus), and five gram-negative (Escherichia coli, Proteus mirabilis, Klebsiella pneumoniae, Pseudomonas aeruginosa and Salmonella typhi) bacteria. Outcomes of the study suggest that these pathogens were susceptible to the AgNPs. This is the first ever international report on correlating the antibacterial effect of silver nanoparticles using mathematical modelling with a conventional antimicrobial assay. The results indicate that nanoparticles of silver synthesized using catkin extract of P. longum can be exploited towards the development of potential antibacterial agents.
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Affiliation(s)
- Hui Huang
- Department of Respiratory Diseases, Kunshan Affiliated Hospital of Nanjing University of Chinese Medicine, Kunshan 215300, China
| | - Kuizhong Shan
- Department of Oncology, The Second People's Hospital of Kunshan, Kunshan 215300, China
| | - Jingbing Liu
- Department of Oncology, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China
| | - Xiaoxin Tao
- Department of Oncology, Liyang People's Hospital, Liyang 213300, China
| | - Sivalingam Periyasamy
- PG and Research Department of Microbiology, Jamal Mohamed College, Khajanagar, Tiruchirappalli, Tamil Nadu 620020, India
| | - Siva Durairaj
- PG & Research Department of Biotechnology, Srimad Andavan Arts and Science College (Autonomous), Tiruchirappalli, Tamil Nadu 620005, India
| | - Ziyu Jiang
- Department of Oncology, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, China.
| | - Joe Antony Jacob
- Nanosynthesis Unit, Nanome Consulting, Salem, Tamil Nadu 636008, India.
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Espenti CS, Krishna Rao KSV, Ramesh P, Chandra Sekhar A, Madhusudana Rao K. Salacia mulbarica leaf extract mediated synthesis of silver nanoparticles for antibacterial and ct-DNA damage via releasing of reactive oxygen species. IET Nanobiotechnol 2020; 14:485-490. [PMID: 32755958 DOI: 10.1049/iet-nbt.2020.0001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
In this examination, we researched the advantages of DNA fragmentation and metallic nanoparticles well-appointed with biomolecules. A novel interpretation of DNA damage by Silver Nano-Clusters (AgNCs) which were developed by the utilization of green synthesis method was demonstrated. The green synthesis of AgNCs was accomplished by utilizing the leaf extract of Salacia mulbarica (SM). The preparation of SM-AgNCs was developed by estimating surface plasmon resonance peak around 449 nm by using a UV-Visible spectrophotometer. The effect of phytochemicals in SM leaf extract on the development of stable SM-AgNCs was confirmed by FTIR spectroscopy. The size of the fabricated SM-AgNCs was estimated by dynamic light scattering and zeta-sizer analysis and the morphology of the SM-AgNCs was examined by transmission electron microscopy. The presence of clusters of Ag particles in the prepared SM-AgNCs was recognized by energy dispersion X-ray analysis. The results show that saponins, phytosterols, and phenolic compounds present in plant extract may play a great part in developing the SM-AgNCs in their specialized particles. The succeeded SM-AgNCs shows incredible anti-bacterial action towards Escherichia coli and Bacillus subtilis. In-light of the antibacterial study, these SM-AgNCs were analyzed with calf thymus-DNA and found significant damage to the strand of thymus-DNA.
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Affiliation(s)
- Chandra Sekhar Espenti
- Department of Chemistry, Rajeev Gandhi Memorial College of Engineering and Technology, Kurnool, Nandyal, Andhra Pradesh 518501, India
| | - Kummari Subba Venkata Krishna Rao
- Department of Chemistry, Polymer Biomaterial Synthesis and Design Laboratory, Yogi Vemana University, Kadapa, Andhra Pradesh 516003, India.
| | - Palakurthi Ramesh
- Department of Biotechnology, Yogi Vemana University, Kadapa, Andhra Pradesh 516003, India
| | - Akila Chandra Sekhar
- Department of Biotechnology, Yogi Vemana University, Kadapa, Andhra Pradesh 516003, India
| | - Kummara Madhusudana Rao
- School of Chemical Engineering, Yeungnam University, 280-Daehak-Ro, Gyeongsan 712-749, Republic of Korea
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38
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Wu KH, Huang WC, Shyu RH, Chang SC. Silver nanoparticle-base lateral flow immunoassay for rapid detection of Staphylococcal enterotoxin B in milk and honey. J Inorg Biochem 2020; 210:111163. [PMID: 32622212 DOI: 10.1016/j.jinorgbio.2020.111163] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 06/20/2020] [Accepted: 06/21/2020] [Indexed: 12/23/2022]
Abstract
A silver nanoparticle (AgNP)-based sandwich-type lateral flow immunoassay (LFIA) was evaluated for rapid detection of Staphylococcal enterotoxin B (SEB) in milk and honey. The role of trisodium citrate dihydrate (TSC) in the formation of Ag/TSC nanoparticles was established using UV-Vis spectroscopy. The association of silver with TSC in Ag/TSC nanoparticles was studied by the decrease in the intensity of anodic peak potential at 0.47 V and shift to 0.30 V in cyclic voltammetry (CV). The morphological, compositional and interaction studies of the AgNPs conjugated with the anti-SEB polyclonal antibody (Ag-sAb) was established using transmission electron microscopy (TEM) and X-ray photo electron spectroscopy (XPS) measurements. The visible detection limit and optical detection limit of the SEB test strip were 0.5 and 0.125 ppm, respectively, in SEB standard solution. This assay showed no cross-reaction with Staphylococcal enterotoxin A, Staphylococcal enterotoxin C or Salmonella typhi. Finally, the SEB test strip was effectively applied for the detection of SEB in spiked liquid milk and viscous honey, with optical detection limits of 0.25 and 0.5 ppm, respectively.
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Affiliation(s)
- Kuo-Hui Wu
- Department of Chemical and Materials Engineering, Chung Cheng Institute of Technology, National Defense University, Taoyuan 33551, Taiwan.
| | - Wen-Chien Huang
- Department of Chemical and Materials Engineering, Chung Cheng Institute of Technology, National Defense University, Taoyuan 33551, Taiwan
| | - Rong-Hwa Shyu
- Institute of Preventive Medicine, National Defense Medical Center, 90048 Taipei, Taiwan
| | - Shu-Chen Chang
- Applied Zoology Division, Taiwan Agricultural Research Institute, Taichung 41362, Taiwan
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39
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Marques Borges GS, Oliveira Ferencs MD, Mello Gomide Loures CD, Abdel-Salam MAL, Gontijo Evangelista FC, Sales CC, Reis da Silva PH, de Oliveira RB, Malachias Â, Yoshida MI, de Souza-Fagundes EM, Paula Sabino AD, Fernandes C, Miranda Ferreira LA. Novel self-nanoemulsifying drug-delivery system enhances antileukemic properties of all-trans retinoic acid. Nanomedicine (Lond) 2020; 15:1471-1486. [DOI: 10.2217/nnm-2020-0061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Aim: All- trans retinoic acid (ATRA) shows erratic oral bioavailability when administered orally against leukemia, which can be solved through its incorporation in self-nanoemulsifying drug-delivery systems (SEDDS). The SEDDS developed contained a hydrophobic ion pair between benzathine (BZT) and ATRA and was enriched with tocotrienols by the input of a palm oil tocotrienol rich fraction (TRF) in its composition. Results: SEDDS-TRF-ATRA-BZT allowed the formation of emulsions with nanometric size that retained ATRA within their core after dispersion. Pharmacokinetic parameters after oral administration of SEDDS-TRF-ATRA-BZT in mice were improved compared with what was seen for an ATRA solution. Moreover, SEDDS-TRF-ATRA-BZT had improved activity against HL-60 cells compared with SEDDS without TRF. Conclusion: SEDDS-TRF-ATRA-BZT is a promising therapeutic choice over ATRA conventional medicine.
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Affiliation(s)
- Gabriel Silva Marques Borges
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Micael de Oliveira Ferencs
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Cristina de Mello Gomide Loures
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Mostafa AL Abdel-Salam
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | - Camila Campos Sales
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Pedro Henrique Reis da Silva
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Renata Barbosa de Oliveira
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Ângelo Malachias
- Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Maria Irene Yoshida
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Elaine Maria de Souza-Fagundes
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Adriano de Paula Sabino
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Christian Fernandes
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Lucas Antônio Miranda Ferreira
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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40
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Antibacterial Screening of Gunnera perpensa-Mediated Silver Nanoparticles. JOURNAL OF NANOTECHNOLOGY 2020. [DOI: 10.1155/2020/4508543] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
The biosynthesis of nanoparticles has become quite popular and has been proposed as an alternative over the tedious, expensive, and toxic physical and chemical methods of synthesis due to its cost-effectiveness and ecofriendliness. This study involved the biosynthesis, characterization, and evaluation of the antibacterial activity of Gunnera perpensa-mediated AgNPs. Biosynthesized AgNPs were characterized using TEM, UV, and FTIR spectroscopy. The antimicrobial activity was evaluated in six bacterial strains, using the disc diffusion assay, and MIC was determined using the broth dilution assay. All NPs generally presented as spherical clusters, with sizes ranging from 13 to 24 nm, as determined by TEM. The absorption peaks ranging between 421 and 425 nm and the presence of the C=O bond with amine groups, as indicated by UV and FTIR spectra, confirmed the synthesis and stabilization of G. perpensa extract-mediated AgNPs. Good antimicrobial activity ranging from 7.0 to 9.0 mm was exhibited by both preparations of G. perpensa extract-mediated AgNPs against both Gram-positive and Gram-negative studied bacteria, at MIC ranging from 3.2 to 12.5 μg/ml. Overall, good antibacterial activity was achieved at lower doses with both preparations of the G. perpensa-mediated AgNPs against all tested bacterial strains, suggesting G. perpensa-mediated AgNPs as good antimicrobial agents.
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41
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Effect of electrical discharge plasma on cytotoxicity against cancer cells of N,O-carboxymethyl chitosan-stabilized gold nanoparticles. Carbohydr Polym 2020; 237:116162. [PMID: 32241415 DOI: 10.1016/j.carbpol.2020.116162] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 03/04/2020] [Accepted: 03/11/2020] [Indexed: 02/07/2023]
Abstract
Electrical discharge plasma in a liquid phase can generate reactive species, e.g. hydroxyl radical, leading to rapid reactions including degradation of biopolymers. In this study, the effect of plasma treatment time on physical properties and cytotoxicity against cancer cells of N,O-carboxymethyl chitosan-stabilized gold nanoparticles (CMC-AuNPs) was investigated. AuNPs were synthesized by chemical reduction of HAuCl4 in 2 % CMC solution to obtain CMC-AuNPs, before being subjected to the plasma treatment. Results showed that the plasma treatment not only led to the reduction of hydrodynamic diameters of CMC-AuNPs from 400 nm to less than 100 nm by the plasma-induced degradation of CMC but also provided the narrow size distribution of AuNPs having diameters in the range of 2-50 nm, that were existing in CMC-AuNPs. In addition, the plasma-treated CMC-AuNPs could significantly reduce the percentage of cell viability of breast cancer cells by approximately 80 % compared to the original CMC and CMC-AuNPs.
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Hasan S, Rauf A, Saleem S. Nanoformulation of C-18 long fatty acid-capped silver nanoparticles with exploration of photocatalytic and antibacterial activities. NEW J CHEM 2020. [DOI: 10.1039/d0nj02796k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
C-18 fatty acid-coated silver nanoparticles are synthesized using a facile and worthwhile chemical method.
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Affiliation(s)
- Shazia Hasan
- Department of Chemistry
- Aligarh Muslim University
- Aligarh 202002
- India
| | - Abdul Rauf
- Department of Chemistry
- Aligarh Muslim University
- Aligarh 202002
- India
| | - Samia Saleem
- Department of Agricultural Microbiology
- Aligarh Muslim University
- Aligarh 202002
- India
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Škugor Rončević I, Vladislavić N, Buzuk M, Buljac M. Electrodeposition of hydroxyapatite coating on Mg alloy modified with organic acid self-assembled monolayers. JOURNAL OF CHEMICAL RESEARCH 2019. [DOI: 10.1177/1747519819895980] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Calcium phosphate coatings are used in orthopedics due to their excellent bioactivity, which improves the bonding between the metal implant and the bone. The use of self-assembling monolayers of long-chain organic acids can induce calcium phosphate growth. In this article, the self-assembling monolayers of stearic acid and octadecylphosphonic acid formed on the Mg alloy surface were additionally modified with electrodeposited hydroxyapatite coating to increase the bioactivity and biocompatibility of the Mg alloy in a physiological solution. Hydroxyapatite coating was prepared by a two-step reaction: hydrogen phosphate formed by electrodeposition at constant potential was converted into hydroxyapatite coating through an acid–base reaction. The results obtained by voltammetry and electrochemical impedance spectroscopy have shown a beneficial effect of organic acid self-assembling monolayer and especially of organic acid self-assembling monolayer modification by hydroxyapatite electrodeposition on the corrosion properties of Mg alloy in physiological solution. Fourier transform infrared spectroscopy and scanning electron microscopy were used to verify the existence of the organic acid SAM|HAp film on the Mg alloy surface and their morphology.
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Affiliation(s)
- Ivana Škugor Rončević
- Faculty of Chemistry and Technology, Department of General and Inorganic Chemistry, University of Split, Split, Croatia
| | - Nives Vladislavić
- Faculty of Chemistry and Technology, Department of General and Inorganic Chemistry, University of Split, Split, Croatia
| | - Marijo Buzuk
- Faculty of Chemistry and Technology, Department of General and Inorganic Chemistry, University of Split, Split, Croatia
| | - Maša Buljac
- Faculty of Chemistry and Technology, Department of Environmental Chemistry, University of Split, Split, Croatia
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44
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pH-dependent adsorption of α-amino acids, lysine, glutamic acid, serine and glycine, on TiO2 nanoparticle surfaces. J Colloid Interface Sci 2019; 554:362-375. [DOI: 10.1016/j.jcis.2019.06.086] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 06/24/2019] [Accepted: 06/25/2019] [Indexed: 12/28/2022]
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45
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Mehta SM, Mehta S, Muthurajan H, D'Souza JS. Vertical flow paper-based plasmonic device for cysteine detection. Biomed Microdevices 2019; 21:55. [PMID: 31203431 DOI: 10.1007/s10544-019-0399-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Cystinuria, is an autosomal recessive genetic disorder involving increasingly high levels of poorly soluble cysteine in urine leading to formation of stones. Developing a facile, low-cost, point-of-care and selective sensor for diagnosis of cysteine is imperative. Accordingly, for the detection of cysteine, the present study demonstrates an inexpensive colorimetric, paper-based vertical flow plasmonic micro-well device with a two-minute turn-around time. The method encompasses the use of microbially-synthesized silver nanoparticles (AgNPs) that change from light brown / yellow to dark brown upon binding with Sulphur present in cysteine. This technique allows for visual detection up to 1 × 10-5 mM cysteine and can be easily offered as a rapid diagnostic test even at setups with minimal resources.
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Affiliation(s)
- Sourabh M Mehta
- National Center for Nanosciences and Nanotechnology, University of Mumbai, Vidyanagari Campus, Kalina, Santacruz (East), Mumbai, Maharashtra, 400098, India.,IITB-Monash Research Academy, Powai, Mumbai, 400076, India
| | - Shraddha Mehta
- School of Biological Sciences, UM-DAE Centre for Excellence in Basic Sciences, University of Mumbai, Vidya Nagari, Kalina campus, Santacruz (East), Mumbai, 400098, India
| | - Harries Muthurajan
- National Center for Nanosciences and Nanotechnology, University of Mumbai, Vidyanagari Campus, Kalina, Santacruz (East), Mumbai, Maharashtra, 400098, India
| | - Jacinta S D'Souza
- School of Biological Sciences, UM-DAE Centre for Excellence in Basic Sciences, University of Mumbai, Vidya Nagari, Kalina campus, Santacruz (East), Mumbai, 400098, India.
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46
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Cazacu M, Turcan‐Trofin G, Vlad A, Bele A, Shova S, Nicolescu A, Bargan A. Hydrophobic, amorphous metal–organic network readily prepared by complexing the aluminum ion with a siloxane spaced dicarboxylic acid in aqueous medium. J Appl Polym Sci 2019. [DOI: 10.1002/app.47144] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- M. Cazacu
- Inorganic Polymers Department“Petru Poni” Institute of Macromolecular Chemistry Aleea Gr. Ghica Voda 41A, 700487, Iasi Romania
| | - G.‐O. Turcan‐Trofin
- Inorganic Polymers Department“Petru Poni” Institute of Macromolecular Chemistry Aleea Gr. Ghica Voda 41A, 700487, Iasi Romania
| | - A. Vlad
- Inorganic Polymers Department“Petru Poni” Institute of Macromolecular Chemistry Aleea Gr. Ghica Voda 41A, 700487, Iasi Romania
| | - A. Bele
- Inorganic Polymers Department“Petru Poni” Institute of Macromolecular Chemistry Aleea Gr. Ghica Voda 41A, 700487, Iasi Romania
| | - S. Shova
- Inorganic Polymers Department“Petru Poni” Institute of Macromolecular Chemistry Aleea Gr. Ghica Voda 41A, 700487, Iasi Romania
| | - A. Nicolescu
- Inorganic Polymers Department“Petru Poni” Institute of Macromolecular Chemistry Aleea Gr. Ghica Voda 41A, 700487, Iasi Romania
| | - A. Bargan
- Inorganic Polymers Department“Petru Poni” Institute of Macromolecular Chemistry Aleea Gr. Ghica Voda 41A, 700487, Iasi Romania
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Sharma VK, Sayes CM, Guo B, Pillai S, Parsons JG, Wang C, Yan B, Ma X. Interactions between silver nanoparticles and other metal nanoparticles under environmentally relevant conditions: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 653:1042-1051. [PMID: 30759545 DOI: 10.1016/j.scitotenv.2018.10.411] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Revised: 10/28/2018] [Accepted: 10/29/2018] [Indexed: 06/09/2023]
Abstract
Global production of engineered nanoparticles (ENPs) continues to increase due to the demand of enabling properties in consumer products and industrial applications. Release of individual or aggregates of ENPs have been shown to interact with one another subsequently resulting in adverse biological effects. This review focuses on silver nanoparticles (AgNPs), which are currently used in numerous applications, including but not limited to antibacterial action. Consequently, the release of AgNPs into the aquatic environment, the dissociation into ions, the binding to organic matter, reactions with other metal-based materials, and disruption of normal biological and ecological processes at the cellular level are all potential negative effects of AgNPs usage. The potential sources of AgNPs includes leaching of intact particles from consumer products, disposal of waste from industrial processes, intentional release into contaminated waters, and the natural formation of AgNPs in surface and ground water. Formation of natural AgNPs is greatly influenced by different chemical parameters including: pH, oxygen levels, and the presence of organic matter, which results in AgNPs that are stable for several months. Both engineered and natural AgNPs can interact with metal and metal oxide particles/nanoparticles. However, information on the chemical and toxicological interactions between AgNPs and other nanoparticles is limited. We have presented current knowledge on the interactions of AgNPs with gold nanoparticles (AuNPs) and titanium dioxide nanoparticles (TiO2 NPs). The interaction between AgNPs and AuNPs result in stable bimetallic Ag-Au alloy NPs. Whereas the interaction of AgNPs with TiO2 NPs under dark and light conditions results in the release of Ag+ ions, which may be subsequently converted back into AgNPs and adsorb on TiO2 NPs. The potential chemical mechanisms and toxic effects of AgNPs with AuNPs and TiO2 NPs are discussed within this review and show that further investigation is warranted.
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Affiliation(s)
- Virender K Sharma
- Department of Environmental and Occupational Health, School of Public Health, Texas A&M University, 212 Adriance Lab Road, 1266 TAMU, College Station, TX 77843, USA.
| | - Christie M Sayes
- Department of Environmental Science, Baylor University, One Bear Place # 97266, Waco, TX 76798, USA
| | - Binglin Guo
- Department of Environmental and Occupational Health, School of Public Health, Texas A&M University, 212 Adriance Lab Road, 1266 TAMU, College Station, TX 77843, USA
| | - Suresh Pillai
- National Center for Electron Beam Research, Texas A&M University, College Station, TX 77843, USA
| | - Jason G Parsons
- Department of Chemistry, The University of Texas Rio Grande Valley, Brownsville, TX 78520, USA
| | - Chuanyi Wang
- School of Environmental Science and Engineering, Shaanxi University of Science and Technology, Xian 710021, PR China
| | - Bing Yan
- School of Environmental Science and Engineering, Shandong University, Jinan, China
| | - Xingmao Ma
- Zachry Department of Civil Engineering, Texas A&M University, 201 Dwight Look Engineering Building, College Station, TX 77843-3136, USA
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Raju M, Nair RR, Debnath S, Chatterjee PB. Affinity Directed Surface Functionalization of Two Different Metal Nanoparticles by a Natural Ionophore: Probing and Removal of Hg2+ and Al3+ Ions from Aqueous Solutions. Inorg Chem 2018; 58:1674-1683. [DOI: 10.1021/acs.inorgchem.8b03241] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- M. Raju
- Analytical & Environmental Science Division and Centralized Instrument Facility, CSIR-CSMCRI, Bhavnagar, Gujarat, India
- Academy of Scientific and Innovative Research, CSIR-CSMCRI, Bhavnagar, Gujarat, India
| | - Ratish R. Nair
- Analytical & Environmental Science Division and Centralized Instrument Facility, CSIR-CSMCRI, Bhavnagar, Gujarat, India
- Academy of Scientific and Innovative Research, CSIR-CSMCRI, Bhavnagar, Gujarat, India
| | - Snehasish Debnath
- Analytical & Environmental Science Division and Centralized Instrument Facility, CSIR-CSMCRI, Bhavnagar, Gujarat, India
- Academy of Scientific and Innovative Research, CSIR-CSMCRI, Bhavnagar, Gujarat, India
| | - Pabitra B. Chatterjee
- Analytical & Environmental Science Division and Centralized Instrument Facility, CSIR-CSMCRI, Bhavnagar, Gujarat, India
- Academy of Scientific and Innovative Research, CSIR-CSMCRI, Bhavnagar, Gujarat, India
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Alivio TEG, Fleer NA, Singh J, Nadadur G, Feng M, Banerjee S, Sharma VK. Stabilization of Ag-Au Bimetallic Nanocrystals in Aquatic Environments Mediated by Dissolved Organic Matter: A Mechanistic Perspective. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:7269-7278. [PMID: 29864275 DOI: 10.1021/acs.est.8b01003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Gold and silver nanoparticles can be stabilized endogenously within aquatic environments from dissolved ionic species as a result of mineralization induced by dissolved organic matter. However, the ability of fulvic and humic acids to stabilize bimetallic nanoparticles is entirely unexplored. Elucidating the formation of such particles is imperative given their potential ecological toxicity. Herein, we demonstrate the nucleation, growth, and stabilization of bimetallic Ag-Au nanocrystals from the interactions of Ag+ and Au3+ with Suwannee River fulvic and humic acids. The mechanisms underpinning the stabilization of Ag-Au alloy NPs at different pH (6.0-9.0) values are studied by UV-vis spectrophotometry, X-ray photoelectron spectroscopy (XPS), high-resolution transmission electron microscopy (HRTEM), and selected area electron diffraction (SAED). Complexation of free Ag+ and Au3+ ions with the Lewis basic groups (carbonyls, carboxyls, and thiols) of FA and HA, followed by electron-transfer from redox-active moieties present in dissolved organic matter initiates the nucleation of the NPs. Alloy formation and interdiffusion of Au and Ag atoms are further facilitated by a galvanic replacement reaction between AuCl4- and Ag. Charge-transfer from Au to Ag stabilizes the formed bimetallic NPs. A more pronounced agglomeration of the Ag-Au NPs is observed when HA is used compared to FA as the reducing agent. The bimetallic NPs are stable for greater than four months, which suggests the possible persistence and dispersion of these materials in aquatic environments. The mechanistic ideas have broad generalizability to reductive mineralization processes mediated by dissolved organic matter.
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Affiliation(s)
- Theodore E G Alivio
- Department of Chemistry , Texas A&M University , College Station , Texas 77842-3012 , United States
- Department of Materials Science and Engineering , Texas A&M University , College Station , Texas 77843-3003 , United States
| | - Nathan A Fleer
- Department of Chemistry , Texas A&M University , College Station , Texas 77842-3012 , United States
- Department of Materials Science and Engineering , Texas A&M University , College Station , Texas 77843-3003 , United States
| | - Jashanpreet Singh
- Department of Environmental and Occupational Health, School of Public Health , Texas A&M University , College Station , Texas 77843-8371 , United States
| | - Govind Nadadur
- Department of Environmental and Occupational Health, School of Public Health , Texas A&M University , College Station , Texas 77843-8371 , United States
| | - Mingbao Feng
- Department of Environmental and Occupational Health, School of Public Health , Texas A&M University , College Station , Texas 77843-8371 , United States
| | - Sarbajit Banerjee
- Department of Chemistry , Texas A&M University , College Station , Texas 77842-3012 , United States
- Department of Materials Science and Engineering , Texas A&M University , College Station , Texas 77843-3003 , United States
| | - Virender K Sharma
- Department of Environmental and Occupational Health, School of Public Health , Texas A&M University , College Station , Texas 77843-8371 , United States
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50
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Zhang X, Yates MZ. Enhanced Photocatalytic Activity of TiO 2 Nanoparticles Supported on Electrically Polarized Hydroxyapatite. ACS APPLIED MATERIALS & INTERFACES 2018; 10:17232-17239. [PMID: 29701948 DOI: 10.1021/acsami.8b03838] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Fast recombination of photogenerated charge carriers in titanium dioxide (TiO2) remains a challenging issue, limiting the photocatalytic activity. This study demonstrates increased photocatalytic performance of TiO2 nanoparticles supported on electrically polarized hydroxyapatite (HA) films. Dense and thermally stable yttrium and fluorine co-doped HA films with giant internal polarization were synthesized as photocatalyst supports. TiO2 nanoparticles deposited on the support were then used to catalyze the photochemical reduction of aqueous silver ions to produce silver nanoparticles. It was found that significantly more silver nanoparticles were produced on polarized HA supports than on depolarized HA supports. In addition, the photodegradation of methyl orange with TiO2 nanoparticles on polarized HA supports was found to be much faster than with TiO2 nanoparticles on depolarized HA supports. It is proposed that separation of photogenerated electrons and holes in TiO nanoparticles is promoted by the internal polarization of the HA support, and consequently, the recombination of charge carriers is mitigated. The results imply that materials with large internal polarization can be used in strategies for enhancing quantum efficiency of photocatalysts.
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